Styrener (polystyrener)
type: Concept
created: 2010-02-04
modified: 2014-05-22
alternative label: Polystyrener
alternative label: Styrener
broader: Termoplast
in scheme: Norsk WebDewey
notation: 668.4233

Termoplast
type: Concept
narrower: Styrener (polystyrener)
notation: 668.423

Norsk WebDewey
type: ConceptScheme